Core Java
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JDK 8’s Calendar.Builder
One of the defining characteristics of the brave new world of Java is the increasing prevalence of the builder pattern…
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Template Method Pattern – Using Lambda Expressions, Default Methods
Template Method pattern is one of the 23 design patterns explained in the famous Design Patterns book by Erich Gamma,…
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A simple application of Lambda Expressions in Java 8
I have been trying to fit in lambda expressions in the code I write and this simple example is a…
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Rare Uses of a “ControlFlowException”
Control flows are a “relict” from imperative programming, which has leaked into various other programming paradigms, including Java’s object oriented…
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Even in the jdk there is bad code
Java 7, TreeSet and NullPointerException. Recently I tried to compile with java 7 a project developed with java 6. Lot…
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How to create a memory leak
This is going to be a rather evil post – something you will be googling when you really wish to…
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Why a synchronized StringBuffer was never a good idea
Introduction StringBuffer is a synchronized class for mutable strings. The main problem with making it synchronized is that It was…
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Package your classes by Feature and not by Layers
Most of the enterprise Java applications share some similarities in their design. Mostly the packaging of these applications are driven…
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Understanding Dynamic Proxy: Spring AOP Basics
Why AOP : To Understand AOP(Aspect Oriented Programming), we need to understand Cross Cutting Concerns in software development . In…
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